<?php
/**
 * Zend Framework
 *
 * LICENSE
 *
 * This source file is subject to the new BSD license that is bundled
 * with this package in the file LICENSE.txt.
 * It is also available through the world-wide-web at this URL:
 * http://framework.zend.com/license/new-bsd
 * If you did not receive a copy of the license and are unable to
 * obtain it through the world-wide-web, please send an email
 * to license@zend.com so we can send you a copy immediately.
 *
 * @category   Zend
 * @package    Zend_Measure
 * @copyright  Copyright (c) 2005-2007 Zend Technologies USA Inc. (http://www.zend.com)
 * @version    $Id: Current.php 3224 2007-02-05 22:08:48Z gavin $
 * @license    http://framework.zend.com/license/new-bsd     New BSD License
 */


/**
 * Implement needed classes
 */
require_once 'Zend/Measure/Exception.php';
require_once 'Zend/Measure/Abstract.php';
require_once 'Zend/Locale.php';


/**
 * @category   Zend
 * @package    Zend_Measure
 * @subpackage Zend_Measure_Current
 * @copyright  Copyright (c) 2005-2007 Zend Technologies USA Inc. (http://www.zend.com)
 * @license    http://framework.zend.com/license/new-bsd     New BSD License
 */
class Zend_Measure_Current extends Zend_Measure_Abstract
{
    // Current definitions
    const STANDARD = 'AMPERE';

    const ABAMPERE             = 'ABAMPERE';
    const AMPERE               = 'AMPERE';
    const BIOT                 = 'BIOT';
    const CENTIAMPERE          = 'CENTIAMPERE';
    const COULOMB_PER_SECOND   = 'COULOMB_PER_SECOND';
    const DECIAMPERE           = 'DECIAMPERE';
    const DEKAAMPERE           = 'DEKAAMPERE';
    const ELECTROMAGNETIC_UNIT = 'ELECTROMAGNATIC_UNIT';
    const ELECTROSTATIC_UNIT   = 'ELECTROSTATIC_UNIT';
    const FRANCLIN_PER_SECOND  = 'FRANCLIN_PER_SECOND';
    const GAUSSIAN             = 'GAUSSIAN';
    const GIGAAMPERE           = 'GIGAAMPERE';
    const GILBERT              = 'GILBERT';
    const HECTOAMPERE          = 'HECTOAMPERE';
    const KILOAMPERE           = 'KILOAMPERE';
    const MEGAAMPERE           = 'MEGAAMPERE';
    const MICROAMPERE          = 'MICROAMPERE';
    const MILLIAMPERE          = 'MILLIAMPERE';
    const NANOAMPERE           = 'NANOAMPERE';
    const PICOAMPERE           = 'PICOAMPERE';
    const SIEMENS_VOLT         = 'SIEMENS_VOLT';
    const STATAMPERE           = 'STATAMPERE';
    const TERAAMPERE           = 'TERAAMPERE';
    const VOLT_PER_OHM         = 'VOLT_PER_OHM';
    const WATT_PER_VOLT        = 'WATT_PER_VOLT';
    const WEBER_PER_HENRY      = 'WEBER_PER_HENRY';

    protected $_UNITS = array(
        'ABAMPERE'             => array(10,           'abampere'),
        'AMPERE'               => array(1,            'A'),
        'BIOT'                 => array(10,           'Bi'),
        'CENTIAMPERE'          => array(0.01,         'cA'),
        'COULOMB_PER_SECOND'   => array(1,            'C/s'),
        'DECIAMPERE'           => array(0.1,          'dA'),
        'DEKAAMPERE'           => array(10,           'daA'),
        'ELECTROMAGNATIC_UNIT' => array(10,           'current emu'),
        'ELECTROSTATIC_UNIT'   => array(3.335641e-10, 'current esu'),
        'FRANCLIN_PER_SECOND'  => array(3.335641e-10, 'Fr/s'),
        'GAUSSIAN'             => array(3.335641e-10, 'G current'),
        'GIGAAMPERE'           => array(1.0e+9,       'GA'),
        'GILBERT'              => array(0.79577472,   'Gi'),
        'HECTOAMPERE'          => array(100,          'hA'),
        'KILOAMPERE'           => array(1000,         'kA'),
        'MEGAAMPERE'           => array(1000000,      'MA') ,
        'MICROAMPERE'          => array(0.000001,     'µA'),
        'MILLIAMPERE'          => array(0.001,        'mA'),
        'NANOAMPERE'           => array(1.0e-9,       'nA'),
        'PICOAMPERE'           => array(1.0e-12,      'pA'),
        'SIEMENS_VOLT'         => array(1,            'SV'),
        'STATAMPERE'           => array(3.335641e-10, 'statampere'),
        'TERAAMPERE'           => array(1.0e+12,      'TA'),
        'VOLT_PER_OHM'         => array(1,            'V/Ohm'),
        'WATT_PER_VOLT'        => array(1,            'W/V'),
        'WEBER_PER_HENRY'      => array(1,            'Wb/H'),
        'STANDARD'             => 'AMPERE'
    );
}
